GRUNTKOWSKA, Dominika. The pedagogical ideas of Aleksander Groza. A serries of Alphabet Books. Biuletyn Historii Wychowania, [S. l.], v. 46, 2023. DOI: 10.14746/bhw.2022.46.8. Disponível em: https://pressto.amu.edu.pl/index.php/bhw/article/view/39465. Acesso em: 17 jul. 2024.